/*
 * Copyright 2010 Zyeeda Co. Ltd.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 * 		http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License. 
 */
package com.zyeeda.framework.intfs;

import java.util.Collection;

/**
 * Interface to build trees.
 * 
 * @author		Rui Tang
 * @version 	%I%, %G%
 * @since		1.0
 */
public interface TreeNode {
	
	public TreeNode getParent();

	public Collection<? extends TreeNode> getChildren();
	
}
